Exercise device



FIG. 1 is a perspective view of an exercise device.

FIG. 2 is a top view of the exercise device of FIG. 1.

FIG. 3 is a bottom view of the exercise device of FIG. 1.

FIG. 4 is a front view of the exercise device of FIG. 1. The rear view is identical; and,

FIG. 5 is a side view of the exercise device of FIG. 1. The opposite side view is identical. 

CLAIM The ornamental design for an exercise device, as shown and described. 